const main = require('../main/main');

describe('main()', () => {
     it("return 4A0B",function(){
     let expected='4A0B';
     let result=main('1234');
     expect(result).toEqual(expected);

    });
    it("return 0A4B",function(){
        let expected='0A4B';
        let result=main('1234');
        expect(result).toEqual(expected);
   
       });
});